Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2017-14064

Disclosure Date: August 31, 2017 •
CVE-2017-14064 CVSS v3 Base Score: 9.8
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a ‘\0’ byte, returning a pointer to a string of length zero, which is not the length stored in space_len.

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CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
n/a
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • canonical,
  • debian,
  • redhat,
  • ruby-lang

Products

  • debian linux 8.0,
  • debian linux 9.0,
  • enterprise linux desktop 7.0,
  • enterprise linux server 7.0,
  • enterprise linux server aus 7.4,
  • enterprise linux server aus 7.6,
  • enterprise linux server eus 7.4,
  • enterprise linux server eus 7.5,
  • enterprise linux server eus 7.6,
  • enterprise linux server tus 7.4,
  • enterprise linux server tus 7.6,
  • enterprise linux workstation 7.0,
  • ruby,
  • ruby 2.3.0,
  • ruby 2.3.1,
  • ruby 2.3.2,
  • ruby 2.3.3,
  • ruby 2.3.4,
  • ruby 2.4.0,
  • ruby 2.4.1,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 17.10
Technical Analysis